Environmental Issues

58 topics, ranked by how often each is asked.

Practise Environmental IssuesBrowse all questions
  • 94 questions
  • 32 papers
  • 2.67% of Biology

Topics

The squares are the last ten exam years: filled means it was asked that year.

Topics

58 topics · 94 questions
  1. 1Ozone Depletion in the Stratosphere4.3%4 questionsPractise Ozone Depletion in the Stratosphere
  2. 2Water Pollution and Its Control – Eutrophication and Algal Bloom1.1%1 questionPractise Water Pollution and Its Control – Eutrophication and Algal Bloom
  3. 3Water Pollution and Its Control – Biomagnification1.1%1 questionPractise Water Pollution and Its Control – Biomagnification
  4. 4Air Pollution and Its Control – Electrostatic Precipitator1.1%1 questionPractise Air Pollution and Its Control – Electrostatic Precipitator
  5. 5Air Pollution and Its Control4.3%4 questionsPractise Air Pollution and Its Control
  6. 6Air Pollution – Case Study of Delhi1.1%1 questionPractise Air Pollution – Case Study of Delhi
  7. 7Ozone Depletion in the Stratosphere – Effects of UV-B1.1%1 questionPractise Ozone Depletion in the Stratosphere – Effects of UV-B
  8. 8Solid Waste Management – Radioactive Wastes1.1%1 questionPractise Solid Waste Management – Radioactive Wastes
  9. 9Greenhouse Effect and Global Warming5.3%5 questionsPractise Greenhouse Effect and Global Warming
  10. 10Solid Waste Management – Plastics2.1%2 questionsPractise Solid Waste Management – Plastics
  11. 11Air (Prevention and Control of Pollution) Act1.1%1 questionPractise Air (Prevention and Control of Pollution) Act
  12. 12Particulate matter and air pollution1.1%1 questionPractise Particulate matter and air pollution
  13. 13Biochemical Oxygen Demand (BOD) and water pollution1.1%1 questionPractise Biochemical Oxygen Demand (BOD) and water pollution
  14. 14Deforestation, reforestation, greenhouse effect and eutrophication1.1%1 questionPractise Deforestation, reforestation, greenhouse effect and eutrophication
  15. 15Biochemical Oxygen Demand and water quality1.1%1 questionPractise Biochemical Oxygen Demand and water quality
  16. 16Air pollution control - CNG1.1%1 questionPractise Air pollution control - CNG
  17. 17Ozone depletion6.4%6 questionsPractise Ozone depletion
  18. 18Soil salinity due to irrigation1.1%1 questionPractise Soil salinity due to irrigation
  19. 19Ozone depletion – World Ozone Day1.1%1 questionPractise Ozone depletion – World Ozone Day
  20. 20Air pollution – primary and secondary pollutants1.1%1 questionPractise Air pollution – primary and secondary pollutants
  21. 21Ozone depletion by CFCs1.1%1 questionPractise Ozone depletion by CFCs
  22. 22Pollution, ozone depletion and deforestation1.1%1 questionPractise Pollution, ozone depletion and deforestation
  23. 23Air pollution – aerosols1.1%1 questionPractise Air pollution – aerosols
  24. 24Ozone depletion – UV and skin cancer1.1%1 questionPractise Ozone depletion – UV and skin cancer
  25. 25Deforestation – Joint Forest Management1.1%1 questionPractise Deforestation – Joint Forest Management
  26. 26Water pollution – BOD1.1%1 questionPractise Water pollution – BOD
  27. 27Soil conservation – ley farming1.1%1 questionPractise Soil conservation – ley farming
  28. 28Water pollution – organic waste and BOD1.1%1 questionPractise Water pollution – organic waste and BOD
  29. 29Biomagnification4.3%4 questionsPractise Biomagnification
  30. 30Climate change conferences3.2%3 questionsPractise Climate change conferences
  31. 31Pesticides and biomagnification1.1%1 questionPractise Pesticides and biomagnification
  32. 32Water pollution5.3%5 questionsPractise Water pollution
  33. 33Air pollution6.4%6 questionsPractise Air pollution
  34. 34Ozone layer2.1%2 questionsPractise Ozone layer
  35. 35Air pollution control1.1%1 questionPractise Air pollution control
  36. 36Global warming1.1%1 questionPractise Global warming
  37. 37Natural resources1.1%1 questionPractise Natural resources
  38. 38Noise pollution2.1%2 questionsPractise Noise pollution
  39. 39Deforestation and people's participation1.1%1 questionPractise Deforestation and people's participation
  40. 40Biofuels2.1%2 questionsPractise Biofuels
  41. 41Eutrophication2.1%2 questionsPractise Eutrophication
  42. 42Water Pollution and BOD2.1%2 questionsPractise Water Pollution and BOD
  43. 43Water Pollution and Bioindicators1.1%1 questionPractise Water Pollution and Bioindicators
  44. 44Air Pollution: Photochemical Smog1.1%1 questionPractise Air Pollution: Photochemical Smog
  45. 45Energy Sources and Pollution1.1%1 questionPractise Energy Sources and Pollution
  46. 46Water Treatment1.1%1 questionPractise Water Treatment
  47. 47International Environmental Agreements1.1%1 questionPractise International Environmental Agreements
  48. 48Soil Degradation1.1%1 questionPractise Soil Degradation
  49. 49Heavy Metal Pollution: Lead1.1%1 questionPractise Heavy Metal Pollution: Lead
  50. 50Air Pollution: Industrial Accidents1.1%1 questionPractise Air Pollution: Industrial Accidents
  51. 51Types of Soil1.1%1 questionPractise Types of Soil
  52. 52Alternative Fuels: Ethanol Blending1.1%1 questionPractise Alternative Fuels: Ethanol Blending
  53. 53Water Pollution: Indicators2.1%2 questionsPractise Water Pollution: Indicators
  54. 54Water Pollution: Fluoride1.1%1 questionPractise Water Pollution: Fluoride
  55. 55Water Pollution: Biological Indicators1.1%1 questionPractise Water Pollution: Biological Indicators
  56. 56Water Pollution: Biochemical Oxygen Demand1.1%1 questionPractise Water Pollution: Biochemical Oxygen Demand
  57. 57Air Pollution and Health1.1%1 questionPractise Air Pollution and Health
  58. 58Pollution and its Biological Effects1.1%1 questionPractise Pollution and its Biological Effects

Questions per paper

Asked in 11 of the last 16 papers (2017–2026).

  1. 2026: not asked
  2. 2026 Re-NEET: not asked
  3. 2025: not asked
  4. 2024: not asked
  5. 2024 Re-NEET: not asked
  6. 2023: 4 questions
  7. 2023 Manipur: 3 questions
  8. 2022: 3 questions
  9. 2022 Phase 2: 1 question
  10. 2021: 1 question
  11. 2020: 2 questions
  12. 2020 Phase-2: 2 questions
  13. 2019: 4 questions
  14. 2019 Odisha: 3 questions
  15. 2018: 4 questions
  16. 2017: 1 question

Concepts tested

  • Montreal Protocol 5
  • electrostatic precipitator 3
  • Dobson units 2
  • Eutrophication 2
  • Greenhouse gases 2
  • Acid rain
  • aerosols-agriculture
  • Air (Prevention and Control of Pollution) Act
  • Air Act
  • Air pollution control - CNG
  • Alarming blood lead level
  • algal bloom and water quality
  • Bhopal gas tragedy
  • Biochemical oxygen demand
  • Biochemical Oxygen Demand (BOD) and water pollution
  • Biochemical Oxygen Demand and water quality
  • Biodiesel plant
  • Biodiesel plants